Home / 186,553.04-257,435.70-101,668.28

Finding the Fourth Proportional to 186,553.04, 257,435.70 and 101,668.28

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Solution

The fourth proportional to 186,553.04, 257,435.70 and 101,668.28 is: 140,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,553.04 : 257,435.70 = 101,668.28 : x
  2. Step 2: Convert to fraction form
    186,553.04/257,435.70 = 101,668.28/x
  3. Step 3: Cross multiply
    186,553.04x = 257,435.70 × 101,668.28
  4. Step 4: Simplify right side
    186,553.04x = 26,173,044,829.60
  5. Step 5: Solve for x
    x = 26,173,044,829.60/186,553.04
  6. Step 6: Final answer
    x = 140,298.14

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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.