Home / 191,611.07-264,403.45-118,011.77

Finding the Fourth Proportional to 191,611.07, 264,403.45 and 118,011.77

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Solution

The fourth proportional to 191,611.07, 264,403.45 and 118,011.77 is: 162,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,611.07 : 264,403.45 = 118,011.77 : x
  2. Step 2: Convert to fraction form
    191,611.07/264,403.45 = 118,011.77/x
  3. Step 3: Cross multiply
    191,611.07x = 264,403.45 × 118,011.77
  4. Step 4: Simplify right side
    191,611.07x = 31,202,719,128.61
  5. Step 5: Solve for x
    x = 31,202,719,128.61/191,611.07
  6. Step 6: Final answer
    x = 162,844.03

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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.