Home / 289,581.10-434,393.85-97,456.46

Finding the Fourth Proportional to 289,581.10, 434,393.85 and 97,456.46

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Solution

The fourth proportional to 289,581.10, 434,393.85 and 97,456.46 is: 146,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,581.10 : 434,393.85 = 97,456.46 : x
  2. Step 2: Convert to fraction form
    289,581.10/434,393.85 = 97,456.46/x
  3. Step 3: Cross multiply
    289,581.10x = 434,393.85 × 97,456.46
  4. Step 4: Simplify right side
    289,581.10x = 42,334,486,866.77
  5. Step 5: Solve for x
    x = 42,334,486,866.77/289,581.10
  6. Step 6: Final answer
    x = 146,192.16

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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.