Home / 163,416.29-225,502.18-91,782.32

Finding the Fourth Proportional to 163,416.29, 225,502.18 and 91,782.32

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Solution

The fourth proportional to 163,416.29, 225,502.18 and 91,782.32 is: 126,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,416.29 : 225,502.18 = 91,782.32 : x
  2. Step 2: Convert to fraction form
    163,416.29/225,502.18 = 91,782.32/x
  3. Step 3: Cross multiply
    163,416.29x = 225,502.18 × 91,782.32
  4. Step 4: Simplify right side
    163,416.29x = 20,697,111,888.49
  5. Step 5: Solve for x
    x = 20,697,111,888.49/163,416.29
  6. Step 6: Final answer
    x = 126,652.69

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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.