Home / 151,762.20-209,601.03-118,174.74

Finding the Fourth Proportional to 151,762.20, 209,601.03 and 118,174.74

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Solution

The fourth proportional to 151,762.20, 209,601.03 and 118,174.74 is: 163,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,762.20 : 209,601.03 = 118,174.74 : x
  2. Step 2: Convert to fraction form
    151,762.20/209,601.03 = 118,174.74/x
  3. Step 3: Cross multiply
    151,762.20x = 209,601.03 × 118,174.74
  4. Step 4: Simplify right side
    151,762.20x = 24,769,547,223.98
  5. Step 5: Solve for x
    x = 24,769,547,223.98/151,762.20
  6. Step 6: Final answer
    x = 163,212.89

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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.