Home / 134,345.40-185,270.79-83,366.40

Finding the Fourth Proportional to 134,345.40, 185,270.79 and 83,366.40

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Solution

The fourth proportional to 134,345.40, 185,270.79 and 83,366.40 is: 114,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,345.40 : 185,270.79 = 83,366.40 : x
  2. Step 2: Convert to fraction form
    134,345.40/185,270.79 = 83,366.40/x
  3. Step 3: Cross multiply
    134,345.40x = 185,270.79 × 83,366.40
  4. Step 4: Simplify right side
    134,345.40x = 15,445,358,787.46
  5. Step 5: Solve for x
    x = 15,445,358,787.46/134,345.40
  6. Step 6: Final answer
    x = 114,967.53

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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.