Home / 147,097.56-202,357.63-128,866.18

Finding the Fourth Proportional to 147,097.56, 202,357.63 and 128,866.18

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Solution

The fourth proportional to 147,097.56, 202,357.63 and 128,866.18 is: 177,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,097.56 : 202,357.63 = 128,866.18 : x
  2. Step 2: Convert to fraction form
    147,097.56/202,357.63 = 128,866.18/x
  3. Step 3: Cross multiply
    147,097.56x = 202,357.63 × 128,866.18
  4. Step 4: Simplify right side
    147,097.56x = 26,077,054,771.95
  5. Step 5: Solve for x
    x = 26,077,054,771.95/147,097.56
  6. Step 6: Final answer
    x = 177,277.28

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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.