Home / 226,129.48-312,035.57-130,666.93

Finding the Fourth Proportional to 226,129.48, 312,035.57 and 130,666.93

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Solution

The fourth proportional to 226,129.48, 312,035.57 and 130,666.93 is: 180,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,129.48 : 312,035.57 = 130,666.93 : x
  2. Step 2: Convert to fraction form
    226,129.48/312,035.57 = 130,666.93/x
  3. Step 3: Cross multiply
    226,129.48x = 312,035.57 × 130,666.93
  4. Step 4: Simplify right side
    226,129.48x = 40,772,729,329.37
  5. Step 5: Solve for x
    x = 40,772,729,329.37/226,129.48
  6. Step 6: Final answer
    x = 180,307.01

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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.