Home / 157,711.60-236,567.40-144,809.20

Finding the Fourth Proportional to 157,711.60, 236,567.40 and 144,809.20

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Solution

The fourth proportional to 157,711.60, 236,567.40 and 144,809.20 is: 217,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,711.60 : 236,567.40 = 144,809.20 : x
  2. Step 2: Convert to fraction form
    157,711.60/236,567.40 = 144,809.20/x
  3. Step 3: Cross multiply
    157,711.60x = 236,567.40 × 144,809.20
  4. Step 4: Simplify right side
    157,711.60x = 34,257,135,940.08
  5. Step 5: Solve for x
    x = 34,257,135,940.08/157,711.60
  6. Step 6: Final answer
    x = 217,213.80

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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.