Home / 154,831.85-213,421.02-116,533.82

Finding the Fourth Proportional to 154,831.85, 213,421.02 and 116,533.82

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Solution

The fourth proportional to 154,831.85, 213,421.02 and 116,533.82 is: 160,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,831.85 : 213,421.02 = 116,533.82 : x
  2. Step 2: Convert to fraction form
    154,831.85/213,421.02 = 116,533.82/x
  3. Step 3: Cross multiply
    154,831.85x = 213,421.02 × 116,533.82
  4. Step 4: Simplify right side
    154,831.85x = 24,870,766,728.90
  5. Step 5: Solve for x
    x = 24,870,766,728.90/154,831.85
  6. Step 6: Final answer
    x = 160,630.82

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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.