Home / 186,829.60-257,831.06-101,951.32

Finding the Fourth Proportional to 186,829.60, 257,831.06 and 101,951.32

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Solution

The fourth proportional to 186,829.60, 257,831.06 and 101,951.32 is: 140,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,829.60 : 257,831.06 = 101,951.32 : x
  2. Step 2: Convert to fraction form
    186,829.60/257,831.06 = 101,951.32/x
  3. Step 3: Cross multiply
    186,829.60x = 257,831.06 × 101,951.32
  4. Step 4: Simplify right side
    186,829.60x = 26,286,216,904.00
  5. Step 5: Solve for x
    x = 26,286,216,904.00/186,829.60
  6. Step 6: Final answer
    x = 140,696.21

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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.