Home / 147,621.40-221,460.90-63,381.40

Finding the Fourth Proportional to 147,621.40, 221,460.90 and 63,381.40

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Solution

The fourth proportional to 147,621.40, 221,460.90 and 63,381.40 is: 95,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,621.40 : 221,460.90 = 63,381.40 : x
  2. Step 2: Convert to fraction form
    147,621.40/221,460.90 = 63,381.40/x
  3. Step 3: Cross multiply
    147,621.40x = 221,460.90 × 63,381.40
  4. Step 4: Simplify right side
    147,621.40x = 14,036,501,887.26
  5. Step 5: Solve for x
    x = 14,036,501,887.26/147,621.40
  6. Step 6: Final answer
    x = 95,084.47

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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.