Home / 347,817.10-521,725.65-98,499.10

Finding the Fourth Proportional to 347,817.10, 521,725.65 and 98,499.10

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Solution

The fourth proportional to 347,817.10, 521,725.65 and 98,499.10 is: 147,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,817.10 : 521,725.65 = 98,499.10 : x
  2. Step 2: Convert to fraction form
    347,817.10/521,725.65 = 98,499.10/x
  3. Step 3: Cross multiply
    347,817.10x = 521,725.65 × 98,499.10
  4. Step 4: Simplify right side
    347,817.10x = 51,389,506,971.92
  5. Step 5: Solve for x
    x = 51,389,506,971.92/347,817.10
  6. Step 6: Final answer
    x = 147,748.65

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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.