Home / 186,445.26-257,285.61-105,862.23

Finding the Fourth Proportional to 186,445.26, 257,285.61 and 105,862.23

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Solution

The fourth proportional to 186,445.26, 257,285.61 and 105,862.23 is: 146,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,445.26 : 257,285.61 = 105,862.23 : x
  2. Step 2: Convert to fraction form
    186,445.26/257,285.61 = 105,862.23/x
  3. Step 3: Cross multiply
    186,445.26x = 257,285.61 × 105,862.23
  4. Step 4: Simplify right side
    186,445.26x = 27,236,828,421.51
  5. Step 5: Solve for x
    x = 27,236,828,421.51/186,445.26
  6. Step 6: Final answer
    x = 146,084.85

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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.