Home / 186,323.41-257,113.33-105,752.58

Finding the Fourth Proportional to 186,323.41, 257,113.33 and 105,752.58

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Solution

The fourth proportional to 186,323.41, 257,113.33 and 105,752.58 is: 145,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,323.41 : 257,113.33 = 105,752.58 : x
  2. Step 2: Convert to fraction form
    186,323.41/257,113.33 = 105,752.58/x
  3. Step 3: Cross multiply
    186,323.41x = 257,113.33 × 105,752.58
  4. Step 4: Simplify right side
    186,323.41x = 27,190,397,999.89
  5. Step 5: Solve for x
    x = 27,190,397,999.89/186,323.41
  6. Step 6: Final answer
    x = 145,931.20

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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.