Home / 142,501.95-196,612.92-84,347.73

Finding the Fourth Proportional to 142,501.95, 196,612.92 and 84,347.73

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Solution

The fourth proportional to 142,501.95, 196,612.92 and 84,347.73 is: 116,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,501.95 : 196,612.92 = 84,347.73 : x
  2. Step 2: Convert to fraction form
    142,501.95/196,612.92 = 84,347.73/x
  3. Step 3: Cross multiply
    142,501.95x = 196,612.92 × 84,347.73
  4. Step 4: Simplify right side
    142,501.95x = 16,583,853,490.67
  5. Step 5: Solve for x
    x = 16,583,853,490.67/142,501.95
  6. Step 6: Final answer
    x = 116,376.33

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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.