Home / 130,762.40-179,885.80-114,556.72

Finding the Fourth Proportional to 130,762.40, 179,885.80 and 114,556.72

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Solution

The fourth proportional to 130,762.40, 179,885.80 and 114,556.72 is: 157,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,762.40 : 179,885.80 = 114,556.72 : x
  2. Step 2: Convert to fraction form
    130,762.40/179,885.80 = 114,556.72/x
  3. Step 3: Cross multiply
    130,762.40x = 179,885.80 × 114,556.72
  4. Step 4: Simplify right side
    130,762.40x = 20,607,127,222.58
  5. Step 5: Solve for x
    x = 20,607,127,222.58/130,762.40
  6. Step 6: Final answer
    x = 157,592.15

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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.