Home / 112,176.06-154,802.97-61,875.06

Finding the Fourth Proportional to 112,176.06, 154,802.97 and 61,875.06

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Solution

The fourth proportional to 112,176.06, 154,802.97 and 61,875.06 is: 85,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,176.06 : 154,802.97 = 61,875.06 : x
  2. Step 2: Convert to fraction form
    112,176.06/154,802.97 = 61,875.06/x
  3. Step 3: Cross multiply
    112,176.06x = 154,802.97 × 61,875.06
  4. Step 4: Simplify right side
    112,176.06x = 9,578,443,056.93
  5. Step 5: Solve for x
    x = 9,578,443,056.93/112,176.06
  6. Step 6: Final answer
    x = 85,387.59

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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.