Home / 185,543.90-256,074.69-103,903.23

Finding the Fourth Proportional to 185,543.90, 256,074.69 and 103,903.23

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Solution

The fourth proportional to 185,543.90, 256,074.69 and 103,903.23 is: 143,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,543.90 : 256,074.69 = 103,903.23 : x
  2. Step 2: Convert to fraction form
    185,543.90/256,074.69 = 103,903.23/x
  3. Step 3: Cross multiply
    185,543.90x = 256,074.69 × 103,903.23
  4. Step 4: Simplify right side
    185,543.90x = 26,606,988,762.17
  5. Step 5: Solve for x
    x = 26,606,988,762.17/185,543.90
  6. Step 6: Final answer
    x = 143,399.97

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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.