Home / 158,953.02-219,354.98-87,332.86

Finding the Fourth Proportional to 158,953.02, 219,354.98 and 87,332.86

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Solution

The fourth proportional to 158,953.02, 219,354.98 and 87,332.86 is: 120,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,953.02 : 219,354.98 = 87,332.86 : x
  2. Step 2: Convert to fraction form
    158,953.02/219,354.98 = 87,332.86/x
  3. Step 3: Cross multiply
    158,953.02x = 219,354.98 × 87,332.86
  4. Step 4: Simplify right side
    158,953.02x = 19,156,897,758.64
  5. Step 5: Solve for x
    x = 19,156,897,758.64/158,953.02
  6. Step 6: Final answer
    x = 120,519.25

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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.