Home / 186,152.07-257,045.00-172,644.63

Finding the Fourth Proportional to 186,152.07, 257,045.00 and 172,644.63

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Solution

The fourth proportional to 186,152.07, 257,045.00 and 172,644.63 is: 238,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,152.07 : 257,045.00 = 172,644.63 : x
  2. Step 2: Convert to fraction form
    186,152.07/257,045.00 = 172,644.63/x
  3. Step 3: Cross multiply
    186,152.07x = 257,045.00 × 172,644.63
  4. Step 4: Simplify right side
    186,152.07x = 44,377,438,055.13
  5. Step 5: Solve for x
    x = 44,377,438,055.13/186,152.07
  6. Step 6: Final answer
    x = 238,393.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.