Home / 154,007.32-212,527.80-86,025.52

Finding the Fourth Proportional to 154,007.32, 212,527.80 and 86,025.52

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Solution

The fourth proportional to 154,007.32, 212,527.80 and 86,025.52 is: 118,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,007.32 : 212,527.80 = 86,025.52 : x
  2. Step 2: Convert to fraction form
    154,007.32/212,527.80 = 86,025.52/x
  3. Step 3: Cross multiply
    154,007.32x = 212,527.80 × 86,025.52
  4. Step 4: Simplify right side
    154,007.32x = 18,282,814,509.46
  5. Step 5: Solve for x
    x = 18,282,814,509.46/154,007.32
  6. Step 6: Final answer
    x = 118,713.93

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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.