Home / 186,470.46-257,328.77-101,587.32

Finding the Fourth Proportional to 186,470.46, 257,328.77 and 101,587.32

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Solution

The fourth proportional to 186,470.46, 257,328.77 and 101,587.32 is: 140,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,470.46 : 257,328.77 = 101,587.32 : x
  2. Step 2: Convert to fraction form
    186,470.46/257,328.77 = 101,587.32/x
  3. Step 3: Cross multiply
    186,470.46x = 257,328.77 × 101,587.32
  4. Step 4: Simplify right side
    186,470.46x = 26,141,339,595.26
  5. Step 5: Solve for x
    x = 26,141,339,595.26/186,470.46
  6. Step 6: Final answer
    x = 140,190.25

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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.