Home / 105,386.18-158,079.27-43,056.68

Finding the Fourth Proportional to 105,386.18, 158,079.27 and 43,056.68

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Solution

The fourth proportional to 105,386.18, 158,079.27 and 43,056.68 is: 64,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,386.18 : 158,079.27 = 43,056.68 : x
  2. Step 2: Convert to fraction form
    105,386.18/158,079.27 = 43,056.68/x
  3. Step 3: Cross multiply
    105,386.18x = 158,079.27 × 43,056.68
  4. Step 4: Simplify right side
    105,386.18x = 6,806,368,543.02
  5. Step 5: Solve for x
    x = 6,806,368,543.02/105,386.18
  6. Step 6: Final answer
    x = 64,585.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.