Home / 107,290.10-148,045.19-64,259.51

Finding the Fourth Proportional to 107,290.10, 148,045.19 and 64,259.51

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Solution

The fourth proportional to 107,290.10, 148,045.19 and 64,259.51 is: 88,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,290.10 : 148,045.19 = 64,259.51 : x
  2. Step 2: Convert to fraction form
    107,290.10/148,045.19 = 64,259.51/x
  3. Step 3: Cross multiply
    107,290.10x = 148,045.19 × 64,259.51
  4. Step 4: Simplify right side
    107,290.10x = 9,513,310,305.73
  5. Step 5: Solve for x
    x = 9,513,310,305.73/107,290.10
  6. Step 6: Final answer
    x = 88,669.05

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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.