Home / 157,543.10-236,349.90-57,701.30

Finding the Fourth Proportional to 157,543.10, 236,349.90 and 57,701.30

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Solution

The fourth proportional to 157,543.10, 236,349.90 and 57,701.30 is: 86,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,543.10 : 236,349.90 = 57,701.30 : x
  2. Step 2: Convert to fraction form
    157,543.10/236,349.90 = 57,701.30/x
  3. Step 3: Cross multiply
    157,543.10x = 236,349.90 × 57,701.30
  4. Step 4: Simplify right side
    157,543.10x = 13,637,696,484.87
  5. Step 5: Solve for x
    x = 13,637,696,484.87/157,543.10
  6. Step 6: Final answer
    x = 86,564.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.