Home / 342,856.16-473,131.04-189,888.28

Finding the Fourth Proportional to 342,856.16, 473,131.04 and 189,888.28

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Solution

The fourth proportional to 342,856.16, 473,131.04 and 189,888.28 is: 262,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,856.16 : 473,131.04 = 189,888.28 : x
  2. Step 2: Convert to fraction form
    342,856.16/473,131.04 = 189,888.28/x
  3. Step 3: Cross multiply
    342,856.16x = 473,131.04 × 189,888.28
  4. Step 4: Simplify right side
    342,856.16x = 89,842,039,400.21
  5. Step 5: Solve for x
    x = 89,842,039,400.21/342,856.16
  6. Step 6: Final answer
    x = 262,040.03

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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.