Home / 112,200.80-154,851.48-64,463.38

Finding the Fourth Proportional to 112,200.80, 154,851.48 and 64,463.38

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Solution

The fourth proportional to 112,200.80, 154,851.48 and 64,463.38 is: 88,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.80 : 154,851.48 = 64,463.38 : x
  2. Step 2: Convert to fraction form
    112,200.80/154,851.48 = 64,463.38/x
  3. Step 3: Cross multiply
    112,200.80x = 154,851.48 × 64,463.38
  4. Step 4: Simplify right side
    112,200.80x = 9,982,249,411.67
  5. Step 5: Solve for x
    x = 9,982,249,411.67/112,200.80
  6. Step 6: Final answer
    x = 88,967.72

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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.