Home / 191,420.60-264,253.74-119,840.36

Finding the Fourth Proportional to 191,420.60, 264,253.74 and 119,840.36

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Solution

The fourth proportional to 191,420.60, 264,253.74 and 119,840.36 is: 165,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,420.60 : 264,253.74 = 119,840.36 : x
  2. Step 2: Convert to fraction form
    191,420.60/264,253.74 = 119,840.36/x
  3. Step 3: Cross multiply
    191,420.60x = 264,253.74 × 119,840.36
  4. Step 4: Simplify right side
    191,420.60x = 31,668,263,332.95
  5. Step 5: Solve for x
    x = 31,668,263,332.95/191,420.60
  6. Step 6: Final answer
    x = 165,438.12

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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.