Home / 115,256.58-159,041.25-64,264.92

Finding the Fourth Proportional to 115,256.58, 159,041.25 and 64,264.92

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Solution

The fourth proportional to 115,256.58, 159,041.25 and 64,264.92 is: 88,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,256.58 : 159,041.25 = 64,264.92 : x
  2. Step 2: Convert to fraction form
    115,256.58/159,041.25 = 64,264.92/x
  3. Step 3: Cross multiply
    115,256.58x = 159,041.25 × 64,264.92
  4. Step 4: Simplify right side
    115,256.58x = 10,220,773,207.95
  5. Step 5: Solve for x
    x = 10,220,773,207.95/115,256.58
  6. Step 6: Final answer
    x = 88,678.44

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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.