Home / 305,533.40-458,298.28-166,177.76

Finding the Fourth Proportional to 305,533.40, 458,298.28 and 166,177.76

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Solution

The fourth proportional to 305,533.40, 458,298.28 and 166,177.76 is: 249,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,533.40 : 458,298.28 = 166,177.76 : x
  2. Step 2: Convert to fraction form
    305,533.40/458,298.28 = 166,177.76/x
  3. Step 3: Cross multiply
    305,533.40x = 458,298.28 × 166,177.76
  4. Step 4: Simplify right side
    305,533.40x = 76,158,980,751.36
  5. Step 5: Solve for x
    x = 76,158,980,751.36/305,533.40
  6. Step 6: Final answer
    x = 249,265.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.