Home / 186,260.64-257,039.66-101,378.32

Finding the Fourth Proportional to 186,260.64, 257,039.66 and 101,378.32

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Solution

The fourth proportional to 186,260.64, 257,039.66 and 101,378.32 is: 139,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,260.64 : 257,039.66 = 101,378.32 : x
  2. Step 2: Convert to fraction form
    186,260.64/257,039.66 = 101,378.32/x
  3. Step 3: Cross multiply
    186,260.64x = 257,039.66 × 101,378.32
  4. Step 4: Simplify right side
    186,260.64x = 26,058,248,904.17
  5. Step 5: Solve for x
    x = 26,058,248,904.17/186,260.64
  6. Step 6: Final answer
    x = 139,902.07

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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.