Home / 153,386.26-211,681.78-92,151.18

Finding the Fourth Proportional to 153,386.26, 211,681.78 and 92,151.18

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Solution

The fourth proportional to 153,386.26, 211,681.78 and 92,151.18 is: 127,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,386.26 : 211,681.78 = 92,151.18 : x
  2. Step 2: Convert to fraction form
    153,386.26/211,681.78 = 92,151.18/x
  3. Step 3: Cross multiply
    153,386.26x = 211,681.78 × 92,151.18
  4. Step 4: Simplify right side
    153,386.26x = 19,506,725,581.12
  5. Step 5: Solve for x
    x = 19,506,725,581.12/153,386.26
  6. Step 6: Final answer
    x = 127,173.88

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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.