Home / 152,773.64-210,852.96-89,111.45

Finding the Fourth Proportional to 152,773.64, 210,852.96 and 89,111.45

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Solution

The fourth proportional to 152,773.64, 210,852.96 and 89,111.45 is: 122,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,773.64 : 210,852.96 = 89,111.45 : x
  2. Step 2: Convert to fraction form
    152,773.64/210,852.96 = 89,111.45/x
  3. Step 3: Cross multiply
    152,773.64x = 210,852.96 × 89,111.45
  4. Step 4: Simplify right side
    152,773.64x = 18,789,413,002.39
  5. Step 5: Solve for x
    x = 18,789,413,002.39/152,773.64
  6. Step 6: Final answer
    x = 122,988.58

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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.