Home / 268,613.48-402,790.59-156,318.77

Finding the Fourth Proportional to 268,613.48, 402,790.59 and 156,318.77

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Solution

The fourth proportional to 268,613.48, 402,790.59 and 156,318.77 is: 234,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,613.48 : 402,790.59 = 156,318.77 : x
  2. Step 2: Convert to fraction form
    268,613.48/402,790.59 = 156,318.77/x
  3. Step 3: Cross multiply
    268,613.48x = 402,790.59 × 156,318.77
  4. Step 4: Simplify right side
    268,613.48x = 62,963,730,603.35
  5. Step 5: Solve for x
    x = 62,963,730,603.35/268,613.48
  6. Step 6: Final answer
    x = 234,402.72

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1.5x scale

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.