Home / 147,377.64-203,381.04-83,715.48

Finding the Fourth Proportional to 147,377.64, 203,381.04 and 83,715.48

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Solution

The fourth proportional to 147,377.64, 203,381.04 and 83,715.48 is: 115,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,377.64 : 203,381.04 = 83,715.48 : x
  2. Step 2: Convert to fraction form
    147,377.64/203,381.04 = 83,715.48/x
  3. Step 3: Cross multiply
    147,377.64x = 203,381.04 × 83,715.48
  4. Step 4: Simplify right side
    147,377.64x = 17,026,141,386.50
  5. Step 5: Solve for x
    x = 17,026,141,386.50/147,377.64
  6. Step 6: Final answer
    x = 115,527.30

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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.