Home / 112,327.04-155,019.48-64,595.36

Finding the Fourth Proportional to 112,327.04, 155,019.48 and 64,595.36

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Solution

The fourth proportional to 112,327.04, 155,019.48 and 64,595.36 is: 89,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327.04 : 155,019.48 = 64,595.36 : x
  2. Step 2: Convert to fraction form
    112,327.04/155,019.48 = 64,595.36/x
  3. Step 3: Cross multiply
    112,327.04x = 155,019.48 × 64,595.36
  4. Step 4: Simplify right side
    112,327.04x = 10,013,539,117.61
  5. Step 5: Solve for x
    x = 10,013,539,117.61/112,327.04
  6. Step 6: Final answer
    x = 89,146.29

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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.