Home / 158,167.73-218,271.23-86,547.74

Finding the Fourth Proportional to 158,167.73, 218,271.23 and 86,547.74

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Solution

The fourth proportional to 158,167.73, 218,271.23 and 86,547.74 is: 119,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,167.73 : 218,271.23 = 86,547.74 : x
  2. Step 2: Convert to fraction form
    158,167.73/218,271.23 = 86,547.74/x
  3. Step 3: Cross multiply
    158,167.73x = 218,271.23 × 86,547.74
  4. Step 4: Simplify right side
    158,167.73x = 18,890,880,139.43
  5. Step 5: Solve for x
    x = 18,890,880,139.43/158,167.73
  6. Step 6: Final answer
    x = 119,435.74

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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.