Home / 180,047.68-248,444.64-99,470.40

Finding the Fourth Proportional to 180,047.68, 248,444.64 and 99,470.40

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Solution

The fourth proportional to 180,047.68, 248,444.64 and 99,470.40 is: 137,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,047.68 : 248,444.64 = 99,470.40 : x
  2. Step 2: Convert to fraction form
    180,047.68/248,444.64 = 99,470.40/x
  3. Step 3: Cross multiply
    180,047.68x = 248,444.64 × 99,470.40
  4. Step 4: Simplify right side
    180,047.68x = 24,712,887,718.66
  5. Step 5: Solve for x
    x = 24,712,887,718.66/180,047.68
  6. Step 6: Final answer
    x = 137,257.46

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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.