Home / 186,389.86-257,220.75-101,506.72

Finding the Fourth Proportional to 186,389.86, 257,220.75 and 101,506.72

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Solution

The fourth proportional to 186,389.86, 257,220.75 and 101,506.72 is: 140,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,389.86 : 257,220.75 = 101,506.72 : x
  2. Step 2: Convert to fraction form
    186,389.86/257,220.75 = 101,506.72/x
  3. Step 3: Cross multiply
    186,389.86x = 257,220.75 × 101,506.72
  4. Step 4: Simplify right side
    186,389.86x = 26,109,634,648.44
  5. Step 5: Solve for x
    x = 26,109,634,648.44/186,389.86
  6. Step 6: Final answer
    x = 140,080.77

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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.