Home / 346,070.80-518,547.30-195,864.40

Finding the Fourth Proportional to 346,070.80, 518,547.30 and 195,864.40

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Solution

The fourth proportional to 346,070.80, 518,547.30 and 195,864.40 is: 293,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,070.80 : 518,547.30 = 195,864.40 : x
  2. Step 2: Convert to fraction form
    346,070.80/518,547.30 = 195,864.40/x
  3. Step 3: Cross multiply
    346,070.80x = 518,547.30 × 195,864.40
  4. Step 4: Simplify right side
    346,070.80x = 101,564,955,786.12
  5. Step 5: Solve for x
    x = 101,564,955,786.12/346,070.80
  6. Step 6: Final answer
    x = 293,480.28

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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.