Home / 163,012.88-224,697.95-128,501.37

Finding the Fourth Proportional to 163,012.88, 224,697.95 and 128,501.37

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Solution

The fourth proportional to 163,012.88, 224,697.95 and 128,501.37 is: 177,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,012.88 : 224,697.95 = 128,501.37 : x
  2. Step 2: Convert to fraction form
    163,012.88/224,697.95 = 128,501.37/x
  3. Step 3: Cross multiply
    163,012.88x = 224,697.95 × 128,501.37
  4. Step 4: Simplify right side
    163,012.88x = 28,873,993,768.68
  5. Step 5: Solve for x
    x = 28,873,993,768.68/163,012.88
  6. Step 6: Final answer
    x = 177,127.08

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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.