Home / 179,613.34-247,868.13-99,043.72

Finding the Fourth Proportional to 179,613.34, 247,868.13 and 99,043.72

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Solution

The fourth proportional to 179,613.34, 247,868.13 and 99,043.72 is: 136,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,613.34 : 247,868.13 = 99,043.72 : x
  2. Step 2: Convert to fraction form
    179,613.34/247,868.13 = 99,043.72/x
  3. Step 3: Cross multiply
    179,613.34x = 247,868.13 × 99,043.72
  4. Step 4: Simplify right side
    179,613.34x = 24,549,781,416.39
  5. Step 5: Solve for x
    x = 24,549,781,416.39/179,613.34
  6. Step 6: Final answer
    x = 136,681.28

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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.