Home / 136,831.04-188,774.88-83,095.76

Finding the Fourth Proportional to 136,831.04, 188,774.88 and 83,095.76

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Solution

The fourth proportional to 136,831.04, 188,774.88 and 83,095.76 is: 114,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,831.04 : 188,774.88 = 83,095.76 : x
  2. Step 2: Convert to fraction form
    136,831.04/188,774.88 = 83,095.76/x
  3. Step 3: Cross multiply
    136,831.04x = 188,774.88 × 83,095.76
  4. Step 4: Simplify right side
    136,831.04x = 15,686,392,122.51
  5. Step 5: Solve for x
    x = 15,686,392,122.51/136,831.04
  6. Step 6: Final answer
    x = 114,640.60

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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.