Home / 186,130.08-256,722.03-118,088.46

Finding the Fourth Proportional to 186,130.08, 256,722.03 and 118,088.46

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Solution

The fourth proportional to 186,130.08, 256,722.03 and 118,088.46 is: 162,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,130.08 : 256,722.03 = 118,088.46 : x
  2. Step 2: Convert to fraction form
    186,130.08/256,722.03 = 118,088.46/x
  3. Step 3: Cross multiply
    186,130.08x = 256,722.03 × 118,088.46
  4. Step 4: Simplify right side
    186,130.08x = 30,315,909,170.77
  5. Step 5: Solve for x
    x = 30,315,909,170.77/186,130.08
  6. Step 6: Final answer
    x = 162,874.85

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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.