Home / 144,213.68-216,316.74-65,270.36

Finding the Fourth Proportional to 144,213.68, 216,316.74 and 65,270.36

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Solution

The fourth proportional to 144,213.68, 216,316.74 and 65,270.36 is: 97,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,213.68 : 216,316.74 = 65,270.36 : x
  2. Step 2: Convert to fraction form
    144,213.68/216,316.74 = 65,270.36/x
  3. Step 3: Cross multiply
    144,213.68x = 216,316.74 × 65,270.36
  4. Step 4: Simplify right side
    144,213.68x = 14,119,071,493.83
  5. Step 5: Solve for x
    x = 14,119,071,493.83/144,213.68
  6. Step 6: Final answer
    x = 97,903.83

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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.