Home / 287,068.35-430,336.29-127,059.23

Finding the Fourth Proportional to 287,068.35, 430,336.29 and 127,059.23

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Solution

The fourth proportional to 287,068.35, 430,336.29 and 127,059.23 is: 190,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,068.35 : 430,336.29 = 127,059.23 : x
  2. Step 2: Convert to fraction form
    287,068.35/430,336.29 = 127,059.23/x
  3. Step 3: Cross multiply
    287,068.35x = 430,336.29 × 127,059.23
  4. Step 4: Simplify right side
    287,068.35x = 54,678,199,200.77
  5. Step 5: Solve for x
    x = 54,678,199,200.77/287,068.35
  6. Step 6: Final answer
    x = 190,471.01

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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.