Home / 140,944.02-194,501.34-77,281.66

Finding the Fourth Proportional to 140,944.02, 194,501.34 and 77,281.66

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Solution

The fourth proportional to 140,944.02, 194,501.34 and 77,281.66 is: 106,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,944.02 : 194,501.34 = 77,281.66 : x
  2. Step 2: Convert to fraction form
    140,944.02/194,501.34 = 77,281.66/x
  3. Step 3: Cross multiply
    140,944.02x = 194,501.34 × 77,281.66
  4. Step 4: Simplify right side
    140,944.02x = 15,031,386,427.42
  5. Step 5: Solve for x
    x = 15,031,386,427.42/140,944.02
  6. Step 6: Final answer
    x = 106,647.92

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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.