Home / 112,176.57-154,803.66-61,875.57

Finding the Fourth Proportional to 112,176.57, 154,803.66 and 61,875.57

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Solution

The fourth proportional to 112,176.57, 154,803.66 and 61,875.57 is: 85,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,176.57 : 154,803.66 = 61,875.57 : x
  2. Step 2: Convert to fraction form
    112,176.57/154,803.66 = 61,875.57/x
  3. Step 3: Cross multiply
    112,176.57x = 154,803.66 × 61,875.57
  4. Step 4: Simplify right side
    112,176.57x = 9,578,564,700.59
  5. Step 5: Solve for x
    x = 9,578,564,700.59/112,176.57
  6. Step 6: Final answer
    x = 85,388.28

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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.