Home / 112,373.06-155,079.53-64,626.44

Finding the Fourth Proportional to 112,373.06, 155,079.53 and 64,626.44

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Solution

The fourth proportional to 112,373.06, 155,079.53 and 64,626.44 is: 89,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373.06 : 155,079.53 = 64,626.44 : x
  2. Step 2: Convert to fraction form
    112,373.06/155,079.53 = 64,626.44/x
  3. Step 3: Cross multiply
    112,373.06x = 155,079.53 × 64,626.44
  4. Step 4: Simplify right side
    112,373.06x = 10,022,237,666.14
  5. Step 5: Solve for x
    x = 10,022,237,666.14/112,373.06
  6. Step 6: Final answer
    x = 89,187.20

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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.