Home / 112,306.86-168,683.85-70,261.38

Finding the Fourth Proportional to 112,306.86, 168,683.85 and 70,261.38

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Solution

The fourth proportional to 112,306.86, 168,683.85 and 70,261.38 is: 105,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,306.86 : 168,683.85 = 70,261.38 : x
  2. Step 2: Convert to fraction form
    112,306.86/168,683.85 = 70,261.38/x
  3. Step 3: Cross multiply
    112,306.86x = 168,683.85 × 70,261.38
  4. Step 4: Simplify right side
    112,306.86x = 11,851,960,084.71
  5. Step 5: Solve for x
    x = 11,851,960,084.71/112,306.86
  6. Step 6: Final answer
    x = 105,531.93

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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.