Home / 102,432.96-153,338.40-99,011.52

Finding the Fourth Proportional to 102,432.96, 153,338.40 and 99,011.52

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Solution

The fourth proportional to 102,432.96, 153,338.40 and 99,011.52 is: 148,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,432.96 : 153,338.40 = 99,011.52 : x
  2. Step 2: Convert to fraction form
    102,432.96/153,338.40 = 99,011.52/x
  3. Step 3: Cross multiply
    102,432.96x = 153,338.40 × 99,011.52
  4. Step 4: Simplify right side
    102,432.96x = 15,182,268,058.37
  5. Step 5: Solve for x
    x = 15,182,268,058.37/102,432.96
  6. Step 6: Final answer
    x = 148,216.63

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1.5x scale

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.