Home / 170,412.95-235,142.10-98,778.98

Finding the Fourth Proportional to 170,412.95, 235,142.10 and 98,778.98

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Solution

The fourth proportional to 170,412.95, 235,142.10 and 98,778.98 is: 136,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,412.95 : 235,142.10 = 98,778.98 : x
  2. Step 2: Convert to fraction form
    170,412.95/235,142.10 = 98,778.98/x
  3. Step 3: Cross multiply
    170,412.95x = 235,142.10 × 98,778.98
  4. Step 4: Simplify right side
    170,412.95x = 23,227,095,617.35
  5. Step 5: Solve for x
    x = 23,227,095,617.35/170,412.95
  6. Step 6: Final answer
    x = 136,298.89

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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.