Home / 105,386.68-158,080.02-43,057.18

Finding the Fourth Proportional to 105,386.68, 158,080.02 and 43,057.18

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Solution

The fourth proportional to 105,386.68, 158,080.02 and 43,057.18 is: 64,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,386.68 : 158,080.02 = 43,057.18 : x
  2. Step 2: Convert to fraction form
    105,386.68/158,080.02 = 43,057.18/x
  3. Step 3: Cross multiply
    105,386.68x = 158,080.02 × 43,057.18
  4. Step 4: Simplify right side
    105,386.68x = 6,806,479,875.54
  5. Step 5: Solve for x
    x = 6,806,479,875.54/105,386.68
  6. Step 6: Final answer
    x = 64,585.77

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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.