Home / 147,339.51-203,329.34-86,089.29

Finding the Fourth Proportional to 147,339.51, 203,329.34 and 86,089.29

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Solution

The fourth proportional to 147,339.51, 203,329.34 and 86,089.29 is: 118,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,339.51 : 203,329.34 = 86,089.29 : x
  2. Step 2: Convert to fraction form
    147,339.51/203,329.34 = 86,089.29/x
  3. Step 3: Cross multiply
    147,339.51x = 203,329.34 × 86,089.29
  4. Step 4: Simplify right side
    147,339.51x = 17,504,478,516.77
  5. Step 5: Solve for x
    x = 17,504,478,516.77/147,339.51
  6. Step 6: Final answer
    x = 118,803.70

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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.