Home / 207,890.52-286,888.98-112,397.22

Finding the Fourth Proportional to 207,890.52, 286,888.98 and 112,397.22

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Solution

The fourth proportional to 207,890.52, 286,888.98 and 112,397.22 is: 155,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,890.52 : 286,888.98 = 112,397.22 : x
  2. Step 2: Convert to fraction form
    207,890.52/286,888.98 = 112,397.22/x
  3. Step 3: Cross multiply
    207,890.52x = 286,888.98 × 112,397.22
  4. Step 4: Simplify right side
    207,890.52x = 32,245,523,800.64
  5. Step 5: Solve for x
    x = 32,245,523,800.64/207,890.52
  6. Step 6: Final answer
    x = 155,108.20

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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.