Home / 157,355.04-235,890.78-57,445.08

Finding the Fourth Proportional to 157,355.04, 235,890.78 and 57,445.08

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Solution

The fourth proportional to 157,355.04, 235,890.78 and 57,445.08 is: 86,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,355.04 : 235,890.78 = 57,445.08 : x
  2. Step 2: Convert to fraction form
    157,355.04/235,890.78 = 57,445.08/x
  3. Step 3: Cross multiply
    157,355.04x = 235,890.78 × 57,445.08
  4. Step 4: Simplify right side
    157,355.04x = 13,550,764,728.36
  5. Step 5: Solve for x
    x = 13,550,764,728.36/157,355.04
  6. Step 6: Final answer
    x = 86,115.86

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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.