Home / 162,301.12-224,012.96-105,614.08

Finding the Fourth Proportional to 162,301.12, 224,012.96 and 105,614.08

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Solution

The fourth proportional to 162,301.12, 224,012.96 and 105,614.08 is: 145,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,301.12 : 224,012.96 = 105,614.08 : x
  2. Step 2: Convert to fraction form
    162,301.12/224,012.96 = 105,614.08/x
  3. Step 3: Cross multiply
    162,301.12x = 224,012.96 × 105,614.08
  4. Step 4: Simplify right side
    162,301.12x = 23,658,922,678.48
  5. Step 5: Solve for x
    x = 23,658,922,678.48/162,301.12
  6. Step 6: Final answer
    x = 145,771.78

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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.