Home / 112,844.04-155,616.96-67,514.80

Finding the Fourth Proportional to 112,844.04, 155,616.96 and 67,514.80

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Solution

The fourth proportional to 112,844.04, 155,616.96 and 67,514.80 is: 93,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,844.04 : 155,616.96 = 67,514.80 : x
  2. Step 2: Convert to fraction form
    112,844.04/155,616.96 = 67,514.80/x
  3. Step 3: Cross multiply
    112,844.04x = 155,616.96 × 67,514.80
  4. Step 4: Simplify right side
    112,844.04x = 10,506,447,931.01
  5. Step 5: Solve for x
    x = 10,506,447,931.01/112,844.04
  6. Step 6: Final answer
    x = 93,105.92

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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.