Home / 210,061.12-289,877.52-114,569.68

Finding the Fourth Proportional to 210,061.12, 289,877.52 and 114,569.68

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Solution

The fourth proportional to 210,061.12, 289,877.52 and 114,569.68 is: 158,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,061.12 : 289,877.52 = 114,569.68 : x
  2. Step 2: Convert to fraction form
    210,061.12/289,877.52 = 114,569.68/x
  3. Step 3: Cross multiply
    210,061.12x = 289,877.52 × 114,569.68
  4. Step 4: Simplify right side
    210,061.12x = 33,211,174,705.59
  5. Step 5: Solve for x
    x = 33,211,174,705.59/210,061.12
  6. Step 6: Final answer
    x = 158,102.44

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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.