Home / 177,628.20-266,430.15-57,683.40

Finding the Fourth Proportional to 177,628.20, 266,430.15 and 57,683.40

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Solution

The fourth proportional to 177,628.20, 266,430.15 and 57,683.40 is: 86,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,628.20 : 266,430.15 = 57,683.40 : x
  2. Step 2: Convert to fraction form
    177,628.20/266,430.15 = 57,683.40/x
  3. Step 3: Cross multiply
    177,628.20x = 266,430.15 × 57,683.40
  4. Step 4: Simplify right side
    177,628.20x = 15,368,596,914.51
  5. Step 5: Solve for x
    x = 15,368,596,914.51/177,628.20
  6. Step 6: Final answer
    x = 86,521.15

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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.