Home / 157,319.60-235,979.40-46,511.60

Finding the Fourth Proportional to 157,319.60, 235,979.40 and 46,511.60

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Solution

The fourth proportional to 157,319.60, 235,979.40 and 46,511.60 is: 69,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,319.60 : 235,979.40 = 46,511.60 : x
  2. Step 2: Convert to fraction form
    157,319.60/235,979.40 = 46,511.60/x
  3. Step 3: Cross multiply
    157,319.60x = 235,979.40 × 46,511.60
  4. Step 4: Simplify right side
    157,319.60x = 10,975,779,461.04
  5. Step 5: Solve for x
    x = 10,975,779,461.04/157,319.60
  6. Step 6: Final answer
    x = 69,767.40

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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.