Home / 160,637.63-221,688.77-89,016.08

Finding the Fourth Proportional to 160,637.63, 221,688.77 and 89,016.08

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Solution

The fourth proportional to 160,637.63, 221,688.77 and 89,016.08 is: 122,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,637.63 : 221,688.77 = 89,016.08 : x
  2. Step 2: Convert to fraction form
    160,637.63/221,688.77 = 89,016.08/x
  3. Step 3: Cross multiply
    160,637.63x = 221,688.77 × 89,016.08
  4. Step 4: Simplify right side
    160,637.63x = 19,733,863,731.90
  5. Step 5: Solve for x
    x = 19,733,863,731.90/160,637.63
  6. Step 6: Final answer
    x = 122,847.08

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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.