Home / 430,566.95-645,995.62-190,648.10

Finding the Fourth Proportional to 430,566.95, 645,995.62 and 190,648.10

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Solution

The fourth proportional to 430,566.95, 645,995.62 and 190,648.10 is: 286,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,566.95 : 645,995.62 = 190,648.10 : x
  2. Step 2: Convert to fraction form
    430,566.95/645,995.62 = 190,648.10/x
  3. Step 3: Cross multiply
    430,566.95x = 645,995.62 × 190,648.10
  4. Step 4: Simplify right side
    430,566.95x = 123,157,837,561.32
  5. Step 5: Solve for x
    x = 123,157,837,561.32/430,566.95
  6. Step 6: Final answer
    x = 286,036.44

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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.