Home / 170,319.42-235,040.87-98,740.93

Finding the Fourth Proportional to 170,319.42, 235,040.87 and 98,740.93

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Solution

The fourth proportional to 170,319.42, 235,040.87 and 98,740.93 is: 136,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,319.42 : 235,040.87 = 98,740.93 : x
  2. Step 2: Convert to fraction form
    170,319.42/235,040.87 = 98,740.93/x
  3. Step 3: Cross multiply
    170,319.42x = 235,040.87 × 98,740.93
  4. Step 4: Simplify right side
    170,319.42x = 23,208,154,091.81
  5. Step 5: Solve for x
    x = 23,208,154,091.81/170,319.42
  6. Step 6: Final answer
    x = 136,262.52

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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.