Home / 191,011.04-286,573.85-77,100.23

Finding the Fourth Proportional to 191,011.04, 286,573.85 and 77,100.23

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Solution

The fourth proportional to 191,011.04, 286,573.85 and 77,100.23 is: 115,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,011.04 : 286,573.85 = 77,100.23 : x
  2. Step 2: Convert to fraction form
    191,011.04/286,573.85 = 77,100.23/x
  3. Step 3: Cross multiply
    191,011.04x = 286,573.85 × 77,100.23
  4. Step 4: Simplify right side
    191,011.04x = 22,094,909,361.48
  5. Step 5: Solve for x
    x = 22,094,909,361.48/191,011.04
  6. Step 6: Final answer
    x = 115,673.47

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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.