Home / 157,156.48-235,681.20-57,293.20

Finding the Fourth Proportional to 157,156.48, 235,681.20 and 57,293.20

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Solution

The fourth proportional to 157,156.48, 235,681.20 and 57,293.20 is: 85,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,156.48 : 235,681.20 = 57,293.20 : x
  2. Step 2: Convert to fraction form
    157,156.48/235,681.20 = 57,293.20/x
  3. Step 3: Cross multiply
    157,156.48x = 235,681.20 × 57,293.20
  4. Step 4: Simplify right side
    157,156.48x = 13,502,930,127.84
  5. Step 5: Solve for x
    x = 13,502,930,127.84/157,156.48
  6. Step 6: Final answer
    x = 85,920.29

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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.