Home / 194,442.45-268,330.67-105,018.45

Finding the Fourth Proportional to 194,442.45, 268,330.67 and 105,018.45

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Solution

The fourth proportional to 194,442.45, 268,330.67 and 105,018.45 is: 144,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,442.45 : 268,330.67 = 105,018.45 : x
  2. Step 2: Convert to fraction form
    194,442.45/268,330.67 = 105,018.45/x
  3. Step 3: Cross multiply
    194,442.45x = 268,330.67 × 105,018.45
  4. Step 4: Simplify right side
    194,442.45x = 28,179,671,050.86
  5. Step 5: Solve for x
    x = 28,179,671,050.86/194,442.45
  6. Step 6: Final answer
    x = 144,925.51

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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.