Home / 130,831.76-196,123.07-42,023.00

Finding the Fourth Proportional to 130,831.76, 196,123.07 and 42,023.00

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Solution

The fourth proportional to 130,831.76, 196,123.07 and 42,023.00 is: 62,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,831.76 : 196,123.07 = 42,023.00 : x
  2. Step 2: Convert to fraction form
    130,831.76/196,123.07 = 42,023.00/x
  3. Step 3: Cross multiply
    130,831.76x = 196,123.07 × 42,023.00
  4. Step 4: Simplify right side
    130,831.76x = 8,241,680,365.98
  5. Step 5: Solve for x
    x = 8,241,680,365.98/130,831.76
  6. Step 6: Final answer
    x = 62,994.49

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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.