Home / 243,824.50-336,484.56-136,413.10

Finding the Fourth Proportional to 243,824.50, 336,484.56 and 136,413.10

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Solution

The fourth proportional to 243,824.50, 336,484.56 and 136,413.10 is: 188,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,824.50 : 336,484.56 = 136,413.10 : x
  2. Step 2: Convert to fraction form
    243,824.50/336,484.56 = 136,413.10/x
  3. Step 3: Cross multiply
    243,824.50x = 336,484.56 × 136,413.10
  4. Step 4: Simplify right side
    243,824.50x = 45,900,901,931.74
  5. Step 5: Solve for x
    x = 45,900,901,931.74/243,824.50
  6. Step 6: Final answer
    x = 188,253.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.