Home / 157,034.40-216,687.76-106,157.80

Finding the Fourth Proportional to 157,034.40, 216,687.76 and 106,157.80

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Solution

The fourth proportional to 157,034.40, 216,687.76 and 106,157.80 is: 146,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,034.40 : 216,687.76 = 106,157.80 : x
  2. Step 2: Convert to fraction form
    157,034.40/216,687.76 = 106,157.80/x
  3. Step 3: Cross multiply
    157,034.40x = 216,687.76 × 106,157.80
  4. Step 4: Simplify right side
    157,034.40x = 23,003,095,888.53
  5. Step 5: Solve for x
    x = 23,003,095,888.53/157,034.40
  6. Step 6: Final answer
    x = 146,484.44

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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.