Home / 177,547.80-266,192.10-72,312.60

Finding the Fourth Proportional to 177,547.80, 266,192.10 and 72,312.60

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Solution

The fourth proportional to 177,547.80, 266,192.10 and 72,312.60 is: 108,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,547.80 : 266,192.10 = 72,312.60 : x
  2. Step 2: Convert to fraction form
    177,547.80/266,192.10 = 72,312.60/x
  3. Step 3: Cross multiply
    177,547.80x = 266,192.10 × 72,312.60
  4. Step 4: Simplify right side
    177,547.80x = 19,249,042,850.46
  5. Step 5: Solve for x
    x = 19,249,042,850.46/177,547.80
  6. Step 6: Final answer
    x = 108,416.12

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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.