Home / 314,790.36-434,397.98-171,547.32

Finding the Fourth Proportional to 314,790.36, 434,397.98 and 171,547.32

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Solution

The fourth proportional to 314,790.36, 434,397.98 and 171,547.32 is: 236,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,790.36 : 434,397.98 = 171,547.32 : x
  2. Step 2: Convert to fraction form
    314,790.36/434,397.98 = 171,547.32/x
  3. Step 3: Cross multiply
    314,790.36x = 434,397.98 × 171,547.32
  4. Step 4: Simplify right side
    314,790.36x = 74,519,809,282.41
  5. Step 5: Solve for x
    x = 74,519,809,282.41/314,790.36
  6. Step 6: Final answer
    x = 236,728.37

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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.