Home / 93,176.20-139,764.30-89,547.40

Finding the Fourth Proportional to 93,176.20, 139,764.30 and 89,547.40

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Solution

The fourth proportional to 93,176.20, 139,764.30 and 89,547.40 is: 134,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,176.20 : 139,764.30 = 89,547.40 : x
  2. Step 2: Convert to fraction form
    93,176.20/139,764.30 = 89,547.40/x
  3. Step 3: Cross multiply
    93,176.20x = 139,764.30 × 89,547.40
  4. Step 4: Simplify right side
    93,176.20x = 12,515,529,677.82
  5. Step 5: Solve for x
    x = 12,515,529,677.82/93,176.20
  6. Step 6: Final answer
    x = 134,321.10

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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.