Home / 109,681.59-164,501.58-53,465.16

Finding the Fourth Proportional to 109,681.59, 164,501.58 and 53,465.16

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Solution

The fourth proportional to 109,681.59, 164,501.58 and 53,465.16 is: 80,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.59 : 164,501.58 = 53,465.16 : x
  2. Step 2: Convert to fraction form
    109,681.59/164,501.58 = 53,465.16/x
  3. Step 3: Cross multiply
    109,681.59x = 164,501.58 × 53,465.16
  4. Step 4: Simplify right side
    109,681.59x = 8,795,104,112.33
  5. Step 5: Solve for x
    x = 8,795,104,112.33/109,681.59
  6. Step 6: Final answer
    x = 80,187.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.