Home / 157,097.10-235,386.45-78,041.10

Finding the Fourth Proportional to 157,097.10, 235,386.45 and 78,041.10

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Solution

The fourth proportional to 157,097.10, 235,386.45 and 78,041.10 is: 116,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,097.10 : 235,386.45 = 78,041.10 : x
  2. Step 2: Convert to fraction form
    157,097.10/235,386.45 = 78,041.10/x
  3. Step 3: Cross multiply
    157,097.10x = 235,386.45 × 78,041.10
  4. Step 4: Simplify right side
    157,097.10x = 18,369,817,483.10
  5. Step 5: Solve for x
    x = 18,369,817,483.10/157,097.10
  6. Step 6: Final answer
    x = 116,932.89

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