Home / 186,349.46-257,220.29-105,830.60

Finding the Fourth Proportional to 186,349.46, 257,220.29 and 105,830.60

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Solution

The fourth proportional to 186,349.46, 257,220.29 and 105,830.60 is: 146,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,349.46 : 257,220.29 = 105,830.60 : x
  2. Step 2: Convert to fraction form
    186,349.46/257,220.29 = 105,830.60/x
  3. Step 3: Cross multiply
    186,349.46x = 257,220.29 × 105,830.60
  4. Step 4: Simplify right side
    186,349.46x = 27,221,776,601.35
  5. Step 5: Solve for x
    x = 27,221,776,601.35/186,349.46
  6. Step 6: Final answer
    x = 146,079.19

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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.