Home / 207,897.18-286,898.52-112,403.88

Finding the Fourth Proportional to 207,897.18, 286,898.52 and 112,403.88

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Solution

The fourth proportional to 207,897.18, 286,898.52 and 112,403.88 is: 155,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,897.18 : 286,898.52 = 112,403.88 : x
  2. Step 2: Convert to fraction form
    207,897.18/286,898.52 = 112,403.88/x
  3. Step 3: Cross multiply
    207,897.18x = 286,898.52 × 112,403.88
  4. Step 4: Simplify right side
    207,897.18x = 32,248,506,814.26
  5. Step 5: Solve for x
    x = 32,248,506,814.26/207,897.18
  6. Step 6: Final answer
    x = 155,117.58

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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.