Home / 346,048.40-518,899.80-158,848.40

Finding the Fourth Proportional to 346,048.40, 518,899.80 and 158,848.40

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Solution

The fourth proportional to 346,048.40, 518,899.80 and 158,848.40 is: 238,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,048.40 : 518,899.80 = 158,848.40 : x
  2. Step 2: Convert to fraction form
    346,048.40/518,899.80 = 158,848.40/x
  3. Step 3: Cross multiply
    346,048.40x = 518,899.80 × 158,848.40
  4. Step 4: Simplify right side
    346,048.40x = 82,426,402,990.32
  5. Step 5: Solve for x
    x = 82,426,402,990.32/346,048.40
  6. Step 6: Final answer
    x = 238,193.28

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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.