Home / 189,378.95-284,112.16-56,256.26

Finding the Fourth Proportional to 189,378.95, 284,112.16 and 56,256.26

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Solution

The fourth proportional to 189,378.95, 284,112.16 and 56,256.26 is: 84,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,378.95 : 284,112.16 = 56,256.26 : x
  2. Step 2: Convert to fraction form
    189,378.95/284,112.16 = 56,256.26/x
  3. Step 3: Cross multiply
    189,378.95x = 284,112.16 × 56,256.26
  4. Step 4: Simplify right side
    189,378.95x = 15,983,085,980.92
  5. Step 5: Solve for x
    x = 15,983,085,980.92/189,378.95
  6. Step 6: Final answer
    x = 84,397.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.