Home / 124,218.77-171,437.40-70,521.17

Finding the Fourth Proportional to 124,218.77, 171,437.40 and 70,521.17

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Solution

The fourth proportional to 124,218.77, 171,437.40 and 70,521.17 is: 97,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.77 : 171,437.40 = 70,521.17 : x
  2. Step 2: Convert to fraction form
    124,218.77/171,437.40 = 70,521.17/x
  3. Step 3: Cross multiply
    124,218.77x = 171,437.40 × 70,521.17
  4. Step 4: Simplify right side
    124,218.77x = 12,089,965,677.15
  5. Step 5: Solve for x
    x = 12,089,965,677.15/124,218.77
  6. Step 6: Final answer
    x = 97,328.01

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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.