Home / 163,009.95-224,953.25-91,389.35

Finding the Fourth Proportional to 163,009.95, 224,953.25 and 91,389.35

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Solution

The fourth proportional to 163,009.95, 224,953.25 and 91,389.35 is: 126,117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,009.95 : 224,953.25 = 91,389.35 : x
  2. Step 2: Convert to fraction form
    163,009.95/224,953.25 = 91,389.35/x
  3. Step 3: Cross multiply
    163,009.95x = 224,953.25 × 91,389.35
  4. Step 4: Simplify right side
    163,009.95x = 20,558,329,716.17
  5. Step 5: Solve for x
    x = 20,558,329,716.17/163,009.95
  6. Step 6: Final answer
    x = 126,117.02

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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.