Home / 147,979.70-221,969.55-59,246.90

Finding the Fourth Proportional to 147,979.70, 221,969.55 and 59,246.90

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Solution

The fourth proportional to 147,979.70, 221,969.55 and 59,246.90 is: 88,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,979.70 : 221,969.55 = 59,246.90 : x
  2. Step 2: Convert to fraction form
    147,979.70/221,969.55 = 59,246.90/x
  3. Step 3: Cross multiply
    147,979.70x = 221,969.55 × 59,246.90
  4. Step 4: Simplify right side
    147,979.70x = 13,151,007,731.90
  5. Step 5: Solve for x
    x = 13,151,007,731.90/147,979.70
  6. Step 6: Final answer
    x = 88,870.35

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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.