Home / 183,681.61-253,480.49-103,109.29

Finding the Fourth Proportional to 183,681.61, 253,480.49 and 103,109.29

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Solution

The fourth proportional to 183,681.61, 253,480.49 and 103,109.29 is: 142,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,681.61 : 253,480.49 = 103,109.29 : x
  2. Step 2: Convert to fraction form
    183,681.61/253,480.49 = 103,109.29/x
  3. Step 3: Cross multiply
    183,681.61x = 253,480.49 × 103,109.29
  4. Step 4: Simplify right side
    183,681.61x = 26,136,192,085.35
  5. Step 5: Solve for x
    x = 26,136,192,085.35/183,681.61
  6. Step 6: Final answer
    x = 142,290.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.