Home / 207,613.60-286,534.56-116,987.20

Finding the Fourth Proportional to 207,613.60, 286,534.56 and 116,987.20

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Solution

The fourth proportional to 207,613.60, 286,534.56 and 116,987.20 is: 161,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,613.60 : 286,534.56 = 116,987.20 : x
  2. Step 2: Convert to fraction form
    207,613.60/286,534.56 = 116,987.20/x
  3. Step 3: Cross multiply
    207,613.60x = 286,534.56 × 116,987.20
  4. Step 4: Simplify right side
    207,613.60x = 33,520,875,877.63
  5. Step 5: Solve for x
    x = 33,520,875,877.63/207,613.60
  6. Step 6: Final answer
    x = 161,458.00

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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.