Home / 119,010.02-164,244.45-65,305.49

Finding the Fourth Proportional to 119,010.02, 164,244.45 and 65,305.49

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Solution

The fourth proportional to 119,010.02, 164,244.45 and 65,305.49 is: 90,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,010.02 : 164,244.45 = 65,305.49 : x
  2. Step 2: Convert to fraction form
    119,010.02/164,244.45 = 65,305.49/x
  3. Step 3: Cross multiply
    119,010.02x = 164,244.45 × 65,305.49
  4. Step 4: Simplify right side
    119,010.02x = 10,726,063,465.81
  5. Step 5: Solve for x
    x = 10,726,063,465.81/119,010.02
  6. Step 6: Final answer
    x = 90,127.40

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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.