Home / 157,631.60-235,871.40-116,159.60

Finding the Fourth Proportional to 157,631.60, 235,871.40 and 116,159.60

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Solution

The fourth proportional to 157,631.60, 235,871.40 and 116,159.60 is: 173,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,631.60 : 235,871.40 = 116,159.60 : x
  2. Step 2: Convert to fraction form
    157,631.60/235,871.40 = 116,159.60/x
  3. Step 3: Cross multiply
    157,631.60x = 235,871.40 × 116,159.60
  4. Step 4: Simplify right side
    157,631.60x = 27,398,727,475.44
  5. Step 5: Solve for x
    x = 27,398,727,475.44/157,631.60
  6. Step 6: Final answer
    x = 173,814.94

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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.