Home / 189,923.93-262,123.45-118,327.01

Finding the Fourth Proportional to 189,923.93, 262,123.45 and 118,327.01

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Solution

The fourth proportional to 189,923.93, 262,123.45 and 118,327.01 is: 163,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,923.93 : 262,123.45 = 118,327.01 : x
  2. Step 2: Convert to fraction form
    189,923.93/262,123.45 = 118,327.01/x
  3. Step 3: Cross multiply
    189,923.93x = 262,123.45 × 118,327.01
  4. Step 4: Simplify right side
    189,923.93x = 31,016,284,089.38
  5. Step 5: Solve for x
    x = 31,016,284,089.38/189,923.93
  6. Step 6: Final answer
    x = 163,308.98

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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.