Home / 180,508.06-249,094.20-99,934.12

Finding the Fourth Proportional to 180,508.06, 249,094.20 and 99,934.12

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Solution

The fourth proportional to 180,508.06, 249,094.20 and 99,934.12 is: 137,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,508.06 : 249,094.20 = 99,934.12 : x
  2. Step 2: Convert to fraction form
    180,508.06/249,094.20 = 99,934.12/x
  3. Step 3: Cross multiply
    180,508.06x = 249,094.20 × 99,934.12
  4. Step 4: Simplify right side
    180,508.06x = 24,893,009,674.10
  5. Step 5: Solve for x
    x = 24,893,009,674.10/180,508.06
  6. Step 6: Final answer
    x = 137,905.25

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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.