Home / 157,980.17-236,760.67-69,136.94

Finding the Fourth Proportional to 157,980.17, 236,760.67 and 69,136.94

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Solution

The fourth proportional to 157,980.17, 236,760.67 and 69,136.94 is: 103,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,980.17 : 236,760.67 = 69,136.94 : x
  2. Step 2: Convert to fraction form
    157,980.17/236,760.67 = 69,136.94/x
  3. Step 3: Cross multiply
    157,980.17x = 236,760.67 × 69,136.94
  4. Step 4: Simplify right side
    157,980.17x = 16,368,908,914.47
  5. Step 5: Solve for x
    x = 16,368,908,914.47/157,980.17
  6. Step 6: Final answer
    x = 103,613.69

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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.