Home / 113,858.95-169,867.83-102,509.45

Finding the Fourth Proportional to 113,858.95, 169,867.83 and 102,509.45

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Solution

The fourth proportional to 113,858.95, 169,867.83 and 102,509.45 is: 152,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,858.95 : 169,867.83 = 102,509.45 : x
  2. Step 2: Convert to fraction form
    113,858.95/169,867.83 = 102,509.45/x
  3. Step 3: Cross multiply
    113,858.95x = 169,867.83 × 102,509.45
  4. Step 4: Simplify right side
    113,858.95x = 17,413,057,825.99
  5. Step 5: Solve for x
    x = 17,413,057,825.99/113,858.95
  6. Step 6: Final answer
    x = 152,935.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.