Home / 159,547.02-220,172.18-87,925.50

Finding the Fourth Proportional to 159,547.02, 220,172.18 and 87,925.50

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Solution

The fourth proportional to 159,547.02, 220,172.18 and 87,925.50 is: 121,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.02 : 220,172.18 = 87,925.50 : x
  2. Step 2: Convert to fraction form
    159,547.02/220,172.18 = 87,925.50/x
  3. Step 3: Cross multiply
    159,547.02x = 220,172.18 × 87,925.50
  4. Step 4: Simplify right side
    159,547.02x = 19,358,749,012.59
  5. Step 5: Solve for x
    x = 19,358,749,012.59/159,547.02
  6. Step 6: Final answer
    x = 121,335.70

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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.