Home / 107,478.40-160,514.48-91,513.12

Finding the Fourth Proportional to 107,478.40, 160,514.48 and 91,513.12

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Solution

The fourth proportional to 107,478.40, 160,514.48 and 91,513.12 is: 136,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,478.40 : 160,514.48 = 91,513.12 : x
  2. Step 2: Convert to fraction form
    107,478.40/160,514.48 = 91,513.12/x
  3. Step 3: Cross multiply
    107,478.40x = 160,514.48 × 91,513.12
  4. Step 4: Simplify right side
    107,478.40x = 14,689,180,869.98
  5. Step 5: Solve for x
    x = 14,689,180,869.98/107,478.40
  6. Step 6: Final answer
    x = 136,671.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.