Home / 186,920.40-257,915.63-106,343.22

Finding the Fourth Proportional to 186,920.40, 257,915.63 and 106,343.22

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Solution

The fourth proportional to 186,920.40, 257,915.63 and 106,343.22 is: 146,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,920.40 : 257,915.63 = 106,343.22 : x
  2. Step 2: Convert to fraction form
    186,920.40/257,915.63 = 106,343.22/x
  3. Step 3: Cross multiply
    186,920.40x = 257,915.63 × 106,343.22
  4. Step 4: Simplify right side
    186,920.40x = 27,427,578,050.81
  5. Step 5: Solve for x
    x = 27,427,578,050.81/186,920.40
  6. Step 6: Final answer
    x = 146,734.00

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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.