Home / 305,394.05-458,091.07-95,031.98

Finding the Fourth Proportional to 305,394.05, 458,091.07 and 95,031.98

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Solution

The fourth proportional to 305,394.05, 458,091.07 and 95,031.98 is: 142,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,394.05 : 458,091.07 = 95,031.98 : x
  2. Step 2: Convert to fraction form
    305,394.05/458,091.07 = 95,031.98/x
  3. Step 3: Cross multiply
    305,394.05x = 458,091.07 × 95,031.98
  4. Step 4: Simplify right side
    305,394.05x = 43,533,303,436.26
  5. Step 5: Solve for x
    x = 43,533,303,436.26/305,394.05
  6. Step 6: Final answer
    x = 142,547.98

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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.