Home / 134,871.60-202,307.40-64,714.80

Finding the Fourth Proportional to 134,871.60, 202,307.40 and 64,714.80

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Solution

The fourth proportional to 134,871.60, 202,307.40 and 64,714.80 is: 97,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,871.60 : 202,307.40 = 64,714.80 : x
  2. Step 2: Convert to fraction form
    134,871.60/202,307.40 = 64,714.80/x
  3. Step 3: Cross multiply
    134,871.60x = 202,307.40 × 64,714.80
  4. Step 4: Simplify right side
    134,871.60x = 13,092,282,929.52
  5. Step 5: Solve for x
    x = 13,092,282,929.52/134,871.60
  6. Step 6: Final answer
    x = 97,072.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.