Home / 157,639.68-236,459.52-105,151.68

Finding the Fourth Proportional to 157,639.68, 236,459.52 and 105,151.68

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Solution

The fourth proportional to 157,639.68, 236,459.52 and 105,151.68 is: 157,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,639.68 : 236,459.52 = 105,151.68 : x
  2. Step 2: Convert to fraction form
    157,639.68/236,459.52 = 105,151.68/x
  3. Step 3: Cross multiply
    157,639.68x = 236,459.52 × 105,151.68
  4. Step 4: Simplify right side
    157,639.68x = 24,864,115,779.99
  5. Step 5: Solve for x
    x = 24,864,115,779.99/157,639.68
  6. Step 6: Final answer
    x = 157,727.52

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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.