Home / 153,582.64-211,946.17-85,597.72

Finding the Fourth Proportional to 153,582.64, 211,946.17 and 85,597.72

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Solution

The fourth proportional to 153,582.64, 211,946.17 and 85,597.72 is: 118,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,582.64 : 211,946.17 = 85,597.72 : x
  2. Step 2: Convert to fraction form
    153,582.64/211,946.17 = 85,597.72/x
  3. Step 3: Cross multiply
    153,582.64x = 211,946.17 × 85,597.72
  4. Step 4: Simplify right side
    153,582.64x = 18,142,108,486.74
  5. Step 5: Solve for x
    x = 18,142,108,486.74/153,582.64
  6. Step 6: Final answer
    x = 118,126.04

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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.