Home / 229,931.04-344,951.95-72,159.45

Finding the Fourth Proportional to 229,931.04, 344,951.95 and 72,159.45

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Solution

The fourth proportional to 229,931.04, 344,951.95 and 72,159.45 is: 108,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,931.04 : 344,951.95 = 72,159.45 : x
  2. Step 2: Convert to fraction form
    229,931.04/344,951.95 = 72,159.45/x
  3. Step 3: Cross multiply
    229,931.04x = 344,951.95 × 72,159.45
  4. Step 4: Simplify right side
    229,931.04x = 24,891,542,988.43
  5. Step 5: Solve for x
    x = 24,891,542,988.43/229,931.04
  6. Step 6: Final answer
    x = 108,256.56

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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.