Home / 153,650.72-212,051.92-93,236.66

Finding the Fourth Proportional to 153,650.72, 212,051.92 and 93,236.66

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Solution

The fourth proportional to 153,650.72, 212,051.92 and 93,236.66 is: 128,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,650.72 : 212,051.92 = 93,236.66 : x
  2. Step 2: Convert to fraction form
    153,650.72/212,051.92 = 93,236.66/x
  3. Step 3: Cross multiply
    153,650.72x = 212,051.92 × 93,236.66
  4. Step 4: Simplify right side
    153,650.72x = 19,771,012,767.39
  5. Step 5: Solve for x
    x = 19,771,012,767.39/153,650.72
  6. Step 6: Final answer
    x = 128,675.04

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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.